To despise theory is to have the excessively vain pretension to do without knowing what one does, and to speak without knowing what one says. (Bernard Le Bovier de Fontenelle)

To despise theory is to have the excessively vain pretension to do without knowing what one does, and to speak without knowing what one says.

Bernard Le Bovier de Fontenelle

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knowing pretension speak vain

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Nature has given to men one tongue, but two ears, that we may hear from others twice as much as we speak.

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We all know that light travels faster than sound. That's why certain people appear bright until you hear them speak.

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Wise men speak because they have something to say; Fools because they have to say something.

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For He foresaw that many would pay Him homage because of His glory in heaven, but that their homage would be vain, so long as they despise His members on earth.

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I didn't add any new elements [to the modern synthetic theory] to speak of. I just modified things so that people could understand how things were in the plant world.

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